PipeLaunch - Say goodbye to manually typing information from LinkedIn into Salesforce
LinkedIn Sales Navigator for Gmail - Rich contact profiles inside Gmail
Mattermark in Salesforce AppExchange - Automatically enrich leads in Salesforce with Mattermark
Clearbit for Salesforce – Lite - Rich data on every record in Salesforce for free!
Clearbit - Clearbit provides Business Intelligence APIs
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.